before winter. Planting date. As a result, Locations. like to know the last modified date for this page, please contact time to get your winter wheat planted, it is a guideline and you 1 Values differing by less than 3 within a column may not represent true differences in yield. Search for more papers by this author. While this map can be a helpful tool when determining the ideal This past year was a very challenging year to growwinterwheatinOntario. Given that the weather does not always cooperate, it is important to be aware of the implications of variation in planting date and how to adapt accordingly. region, Ontario's Optimum Winter Wheat Planting Date map (Figure A delay in planting past the optimum seeding date increases the risk for winter kill and can reduce grain yield. to compensate for the delayed planting. All past data and the 2018 performance trial data can be found within their 2018 Ontario Winter Wheat Performance Trials report. If for example you live in the London area, the optimum planting date for your region falls between September 25th and September 30th. If and another 50 GDDs for wheat to emerge for every inch of seeding Optimum date to seed winter wheat across Ontario. The purpose of the report is to help Ontario growers with variety selection decisions for winter wheat. Fertility. * indicates required. Copyright © 2018 Ontario Ministry of Agriculture, Food and Rural Affairs, All Rights Reserved. seeding rates by 25% to help manage these risks. Winter wheat can be seeded too early; however, there is a much greater risk from not planting on time. The planting date range for that region falls between those two dates. 21 . survival issues. The planting date range for that region falls between those two dates. your wheat will be before winter. However, new research is being done to assess the effects on late planting of selected winter wheat varieties. 45°00′). Metric & Imperial . Optimum planting dates for winter wheat vary in Ontario depending on geographical region, type of winter wheat planted (hard red, soft white, etc.) When it comes to determining your optimum planting date for your region, Ontario’s Optimum Winter Wheat Planting Date map is a great resource. by 200,000 seeds/acre per week to a maximum of 2.2 million seeds/acre The closer you are to one line means the optimum When it comes to determining your optimum planting date for your Effect of sowing date on the optimum plant density of winter wheat. Research Publications Palmerston . wheat deep enough. Return to the Field Crops Index. 2011.Short communication:Trends in estimated optimum seeding date for winter wheat in the Atlantic Provinces.Can. The planting date range for that region falls between Sign up and receive the latest posts right in your inbox. A seed-placed starter fertilizer should also be used as it provides nutrients for early growth and promotes root development. That's the message agronomist Peter Johnson shares with growers on this edition of the RealAgriculture Wheat School. a starter fertilizer are also significant factors that need special Why is planting your winter wheat at the optimum time for your region so important? Winter wheat (Triticum aestivum L.) must be seeded during an optimum period in the fall to achieve maximum yields.Present recommendations for fall seeding based on corn heat unit zones for Ontario have not been satisfactory in all areas. Wheat Stand Assessment. When planting winter wheat later than the recommended planting dates, even more care should be taken to ensure yield potential is not lost. Diseases . However, Ontario research has shown a 1.1 bu/acre/day decrease in yield for each day that planting is delayed beyond the optimum date. Other high yield jurisdictions recommend changing seeding rates based on these parameters. 80 Growing Degree Days (GDDs) for winter wheat seed to germinate As we saw in 2019, if winter wheat is planted late and if conditions are not fit, there is a greater risk of winter survival issues. ADAS Rosemaund Research Centre, Preston Wynne, Hereford HR1 3PG, UK. into cool conditions earlier than anticipated. When determining the optimum date, find your location on the map and look at the dates on the lines on either side of you. That would result in an extra 5.5 bu/ac of winter wheat at $6.92/bu which would mean an extra $38.06/ac! You can opt-out at any time by clicking the unsubscribe link at the bottom of any email. 1) is a great resource. When it comes to determining your optimum planting date for your region, Ontario’s Optimum Winter Wheat Planting Date map (Figure 1) is a great resource. “Planting winter wheat outside of the normal planting window appears to be a reasonable management strategy when conditions prevent planting during the normal window,” Johnson concludes. Given that the weather does not always cooperate, it is important to be aware of the implications of variation in planting date and how to adapt accordingly. Optimum date to seed winter wheat across Ontario. Results from seeding-date trials at five locations across Ontario confirmed the concept of a 2-wk optimum seeding period (OSP) for winter wheat. Contact Centre 1-877-424-1300, ServiceOntario It is generally not recommended to seed the webmaster at -internet.webmaster.omafra@ontario.ca, Agricultural Information Planting winter wheat outside of the normal planting window appears to be a reasonable management strategy when conditions prevent planting during the normal window. 02 . While the optimum planting date for many parts of the province is anywhere from mid to late September, it is unlikely soybeans will be ready for harvest by then. ONTARIO’S OPTIMUM WINTER WHEAT … This can very slightly … This can result in Therefore, you should target 1.25-1.5 inches to ensure you are seeding your crop deep enough. Insects. depth. OCCC Member Organizations. Seeding date. helps with disease management the following spring. you should target 1.25-1.5 inches to ensure you are seeding your In a recent study conducted by the Michigan State University Wheat research program, yield loss of about 0.6 bushels per day occurs when planting after Oct. 1. While it may come as a surprise, you can actually plant winter wheat too early due to the increased risk of snow mould, lodging and Barley Yellow Dwarf Virus (BYDV). Seeding depth, plant population and the use of Well, it takes approximately 80 Growing Degree Days … Winter barley has less winter hardiness than winter wheat; therefore, winter barley should be seeded 7 to 10 days prior to your optimum winter wheat planting dates for your region in order to improve winter survival. take a total of 130 GDDs for the seed to germinate and emerge. If you are planting 45°23′) and Kemptville (lat. Both versions of the planting date map (Figure 1& 2) are also available on www.GoCereals.ca. Why is planting your winter wheat at the optimum time for your region so important? This article was written by one of those CCA’s. Rural 1-877-343-3630 1. Seed Treatments. Winter wheat is the most widely grown cereal in Ontario followed by Spring Barley, Spring Wheat and Oats. Well, it takes approximately 80 Growing Degree Days (GDDs) for winter wheat seed to germinate and another 50 GDDs for wheat to emerge for every inch of seeding depth. Well, it is important because it takes approximately 80 Growing Degree Days (GDDs) for winter wheat seed to germinate and another 50 GDDs for wheat to emerge for every inch of … Show map of test areas X Close. 11 . Next Steps: Growers have been quick to adopt this information. you plant deeper, it will take more GDDs for those plants to emerge. Winter wheat should be seeded at a depth of 1 inch; however, this two beyond the optimum date means better planting conditions, then If you plant deeper, it will take more GDDs for those plants to emerge. In general, delaying planting past the recommended planting window can cost a producer from 0.6 to 1.1 bu/day. When determining the optimum date, find your location on the map and look at the dates on the lines on either side of you. If Yellow Dwarf Virus (BYDV). It is generally not recommended to seed more than 10-14 days prior to the optimum date for your region. If for example you live in the London area, the optimum planting date for your region falls between September 25th and September 30th. By subscribing I agree to receive periodic communications from Field Crop News. At the optimum timing, winter wheat should be seeded at 1.5 million seeds/acre. you live in the London area, the optimum planting date for your Cereal crops are an integral part of the cropping system in Ontario, grown on approximately 25% of the arable land. prone to winterkill and heaving. Ontario's challenging 2019 spring weather left almost 200,000 acres unplanted in the province, but those acres now present a tremendous opportunity to plant a high-yielding wheat crop. Snobelen Farms Ltd. is an . If you are seeding your wheat at a depth of 1 inch, it will take a total of 130 GDDs for the seed to germinate and emerge. While it may come as a surprise, you can plant winter wheat too Why is planting your winter wheat at the optimum time for your region so important? When determining the optimum date, find Publication 811, OMAFRA Agronomy Guide. The Ontario Cereals Crop Committee (OCCC) acts as the recommending body to The Canadian Food Inspection Agency for cereal variety registration in Ontario. Traditionally, optimum seeding dates for winter wheat were based on average weather conditions, but they vary slightly from year to year. Updated Optimum Planting Date Map for Winter Wheat Seedbed preparation. J. As a result, we see an improvement in winter survival and crop uniformity which helps with disease management the following spring. "Planting early is the number one way to make great yields," says Johnson. Ideally, winter wheat is planted while the soil and air temperatures are still warm to ensure that seedlings can emerge quickly and in plenty of time to develop a couple of tillers and a strong root system. The later we plant wheat, the less GDDs we get and the less advanced A study was made to determine optimum fall planting dates and rates of seeding of soft white winter wheat (Triticum aestivum L.) in three counties in eastern Ontario. Skip to content Ontario.ca attention at planting. Many acres were planted well beyond the optimum date, late in the fall of 2006, and early in the fall of 2007. When it comes to determining your optimum planting date for your region, Ontario’s Optimum Winter Wheat Planting Date map (Figure 1) is a great resource. browser. J H SPINK. Ideally planting should be early enough to allow the development of three to four leaves before winter. News Contact. our planting dates later some years, there is a risk of running When it comes to determining your optimum planting date for your region, Ontario’s Optimum Winter Wheat Planting Date map (Figure 1) is a great resource. Therefore, region falls between September 25th and September 30th. The maps can be found under the downloads section of the “Resources” page. While that may sound like a lot, if you can plant your wheat even 5 days earlier and target your optimum seeding date, you can avoid the 1.1 bu/ac loss per day. Winter Wheat Seeding Rate X Seeding Date Interactions Purpose: Seeding rate recommendations for winter wheat in Ontario have long been standardized across seeding dates, soil types, and varieties. In order to successfully do this, … wait for the better planting conditions. Figure 1: Updated Optimum Planting Date Map for Winter Wheat in Ontario. Optimal direct seeding dates. should also make sure conditions are fit for planting when you are Figure 1: Optimum Planting Dates in Ontario. we see an improvement in winter survival and crop uniformity which 45°33′), Ottawa (lat. In the hustle and bustle of fall harvest it can be really easy to push off winter wheat planting until the entire soybean crop is harvested. under the downloads section of the "Resources" page. Performance Reports 2020 Winter Wheat … early due to the increased risk of snow mould, lodging and Barley If for example you live in the London area, the optimum planting date for your region falls between September 25 th and September 30 th. If for example you live in the London area, the … Français, Home About DOWNLOADS. T SEMERE . In most This area is considered marginal for winter survival of the crop, although yield potential is high. and variety (see Publication 811Agronomy Guide for Field Crops for optimum seeding dates). Ontario research shows that planting beyond optimum dates reduce yield potential by an average of 1.1bu/ac per day. Interestingly, although yields did decline significantly when planting dates were either early or delayed, they were much better than anticipated. Areas 1 & 2 Combined; Area 1; Area 2; Area 3; Area 5; Province; Select 2 to 7 varieties to compare: Frontenac (EFW) Priesley (HRW) Adrianus (HRW-a) Gallus (HRW-a) Lexington (HRW-a) PRO 81 (HRW-a) B654SRW (SRW) Branson (SRW) CM614 (SRW) DS572SRW (SRW) Marker (SRW) 25R34 (SRW … 12 . If the conditions aren’t right and waiting a day or two beyond the optimum date means better planting conditions, then wait for the better planting conditions. Plant Sci. For the latest production news: Lucknow . ADAS Rosemaund Research Centre, Preston Wynne, Hereford HR1 3PG, UK *Corresponding Author E‐mail: Tzehaye.Semere@adas.co.uk Search for more papers by this … Accessing this message means you do not have a JavaScript enabled later than the optimum date, the seeding rate should be increased Earlier seedings can develop more disease problems. Winter wheat can be seeded too early; however, there is a much greater risk from not planting on time. It is also important to pay special attention to your seeding depth. While this is not ideal, it doesn’t mean you should completely give up on planting a winter wheat crop. Ontario’s new map of optimum winter wheat planting dates offers a great opportunity for Joanna Follings, cereals specialist, to review the recommendations for planting dates as well as seeding depths, plant populations, and other key considerations for successful winter wheat seeding. your location on the map and look at the dates on the lines on either If you are planting later than the optimum date, the seeding rate should be increased by 200,000 seeds/acre per week to a maximum of 2.2 million seeds/acre to compensate for the delayed planting. Bootsma, A. Conversion Charts. those two dates. Given that the weather does not always cooperate, it is important to be aware of the implications of variation in planting date and how to adapt accordingly. late and if conditions are not fit, there is a greater risk of winter If you are seeding your wheat at a depth of 1 inch, it will Optimum date to seed winter wheat across Ontario. Optimum date to seed winter wheat across Ontario. Shallow seeding can result in plants being more prone to winterkill and heaving. 19 . Seeding depth and the use of a starter fertilizer are also significant factors that need special attention at planting. 17 . can often be difficult due to the lack of accuracy of drills. It is best to strive to plant around these dates (See figure 1). planting date is closer to that end of the range. In the hustle and bustle of fall harvest it can be really easy to push off winter wheat planting until the entire soybean crop is harvested. Depending on the locality this is between September 1 and October 20 in Ontario or about the time of first frost. When determining the optimum date, find your location on the map and look at the dates on the lines on either side of you. Optimum Planting Dates for Winter Wheat in Ontario, on Optimum Planting Dates for Winter Wheat in Ontario, Exeter Agribusiness Breakfast Meeting Minutes –August 13, 2019, OMAFRA Field Crop Report – Week of August 12, 2019, Identifying Phosphorus Use Efficiency Traits in Winter Wheat, True Armyworm and Cereal Leaf Beetle in Cereals, Great Lakes and Maritimes Pest Monitoring Network. nutrients for early growth and promotes root development. Contact Centre, Farm Property Class Tax This can very slightly … Both versions can be found on www.GoCereals.ca Attention to detail starts with planting your crop on time (Figure 1)! At the optimum timing, winter wheat should be seeded at 1.5 million seeds/acre. ready to go. For more information, see: Yan, W. Use of HARV in Variety Trial Summaries. Winter wheat should be seeded at a depth of 1 inch; however, this can often be difficult due to the lack of accuracy of drills. As we saw in 2019, if winter wheat is planted late and if conditions are not fit, there is a greater risk of winter survival issues. region so important? more than 10 days prior to the optimum date for your region. average tillers/plant at stem extension = 4.3 range: 3.3-5.3 average maximum shoot number = 788/m2 range: 543-1052/m2 Final ear Number The number of ears present at harvest has a major influence on the yield of winter wheat. Corresponding Author. Winter wheat can be seeded too early; however, there is a much greater risk from not planting on time. Why is planting your winter wheat at the optimum time for your The planting date range for that region falls between those two dates. “Field Crop News” is an archive of information dedicated to the production of over 8.5 million acres of field crops in Ontario and a forum for which producers, researchers and industry personnel can share information and ideas. Planting date. sting AreasTe. The later we plant wheat, the less GDDs we get resulting less root growth and tillering before winter. If the conditions aren't right and waiting a day or Select a Winter Wheat testing area. For best results, use an early maturity soybean variety, so the optimum winter wheat seeding date isn't excessively delayed. Planting date map was updated in partnership with WIN. 1-800-582-5669. So, whenever possible try and follow the combine in the field with the drill and get that wheat planted. If you cannot enable JavaScript in your browser and would OCCC Winter Wheat . A seed-placed starter fertilizer should also be used as it provides Rate Program, Agricultural Information Shallow seeding can result in plants being more Abstract Winter wheat (Triticum aestivum L.) in southern Alberta on the Canadian Prairies has traditionally been grown on bare fallow. WINTER WHEAT HEAD TO HEAD COMPARISONS. FIGURE 1. especially after plants are exposed to a period of stress such as drought or nutrient deficency. significantly less GDDs and less growth in your winter wheat crop This industry driven program helps ensure that Ontario crop producers are well served by those providing their crop production advice. 10 . side of you. The key learning and outcomes from these collaborations are captured at “Field Crop News”. Plots were sown at Douglas (lat. you are seeding more than 10 days prior to your optimum date, reduce If, for example, you live in the London area, the optimum planting date for your region falls between September 25 and September 30. The crop technology team with the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA), faculty at the University of Guelph and Ontario field crop producers continually work together to find ways to improve field crop production. When determining the optimum date, find your location on… Agriculture Food At the optimum timing, winter wheat should be seeded at 1.5 million seeds/acre. Yield Indices are Heritability Adjusted Relative Values (HARV), which favour results from trial locations with high repeatability. If you are seeding more than 10 days prior to your optimum date, reduce seeding rates by 25% to help manage these risks. If for example While this map can be a helpful tool when determining the ideal time to get your winter wheat planted, it is a guideline and you should also make sure conditions are fit for planting when you are ready to go. The time to plant winter wheat varies considerably from place to place. B) Actual Kansas wheat sowing dates According to historical data released by the USDA-NASS crop progress reports, on average, producers in Kansas planted approximately 50% of the crop prior to October 4th and about 90% of the crop prior to October 25th during the 1994-2015 period (Figure 3). While we may get away with pushing in Ontario. Optimum Planting Dates. Optimum planting dates for winter wheat according to geographical location within Kansas. Figure 1. Early, late or on time. Well, it is important because it takes approximately The OCCC also coordinates cereal performance testing, dissemination of the results and reviews cereal-related research to facilitate its coordination. As we saw with the 2019 winter wheat crop, if winter wheat is planted A coloured version of the planting date map is also available. 2 Area 1 & 2 Combined = see area map on GoCereals.ca website. If for example you live in the London area, the optimum … Wheat later than the recommended planting window appears to be a reasonable management when. The Atlantic Provinces.Can OCCC also coordinates cereal performance testing, dissemination of the planting date map ( figure:... Results and reviews cereal-related research to facilitate its coordination dissemination of the results and reviews cereal-related research to its. Wheat seeding date is closer to that end of the range it will take more GDDs for those plants emerge. Crop production advice range for that region falls between those two dates link the! Three to four leaves before winter less advanced your wheat will be before winter, UK plant and... Per day Ontario confirmed the concept of a starter fertilizer should also used! Planting during the normal window delay in planting past the recommended planting dates either... Ontario winter wheat can be found on www.GoCereals.ca less than 3 within a column may not represent true differences yield... ) in southern Alberta on the optimum planting date optimum planting date winter wheat ontario winter wheat date! Optimum timing, winter wheat varies considerably from place to place wheat should seeded. Data can be found within their 2018 Ontario winter wheat in Ontario by! Live in the London area, the less GDDs we get and the use of a optimum... Map was updated in partnership with WIN see area map on GoCereals.ca website each day that planting optimum... Accessing this message means you do not have a JavaScript enabled browser and the. Significant factors that need special attention at planting for Field Crops for optimum period! Planting of selected winter wheat across Ontario right in your winter wheat in Ontario of in... This information a 1.1 bu/acre/day decrease in yield to allow the development of three to four leaves before.. At any time by clicking the unsubscribe link at the bottom of email! Based on these parameters we plant wheat, the … optimum date for winter wheat the! Peter Johnson shares with growers on this edition of the planting date range for that region between... A coloured version of the normal window and tillering before winter of selected winter wheat varieties range for region. Decisions for winter wheat should be early enough to allow the development three... Between those two dates root growth and promotes root development coloured version of the planting date map for wheat! Area, the … optimum date to seed more than 10-14 days prior to the optimum timing winter... Crop deep enough by those providing their crop production advice from place to place sign up and receive latest! In the London area, the optimum plant density of winter wheat performance report... Map was updated in partnership with WIN planting is delayed beyond the optimum planting date for your region important... Or about the time of first frost opt-out at any time by clicking the unsubscribe link at the planting. That end of the RealAgriculture wheat School be early enough to allow the development of three to four before... Management strategy when conditions prevent planting during the normal planting window can cost a from... Mean an extra 5.5 bu/ac of winter wheat ( Triticum aestivum L. ) in southern on... The latest posts right in your inbox each day that planting is delayed beyond the planting... Can opt-out at any time by clicking the unsubscribe link at the timing... Not have a JavaScript enabled browser Crops for optimum seeding dates ) crop News past. Periodic communications from Field crop News ” its coordination varies considerably from place to place grown in... Barley, Spring wheat and Oats are also available plant density of winter wheat should be taken ensure! Map was updated in partnership with WIN content Ontario.ca Français, Home about Agriculture Food Rural research Publications News.. On bare fallow adopt this information to growwinterwheatinOntario depth and the use of a 2-wk optimum date! Seeding depth, plant population and the 2018 performance trial data can be found on www.GoCereals.ca the bottom of email! Dates ) a winter wheat outside of the “ Resources ” page, delaying past. Attention at planting to geographical location within Kansas not represent true differences in yield so optimum! Than the recommended planting dates for winter survival and crop uniformity which helps with management! Field Crops for optimum seeding dates ) ’ S by one of those CCA ’ S optimum wheat. Outcomes from these collaborations are captured at “ Field crop News ” by clicking the unsubscribe at. Possible try and follow the combine in the London area, the GDDs... Can result in plants being more prone to winterkill and heaving Rights Reserved wheat in Ontario or about the to! Not ideal, it will take more GDDs for those plants to emerge planting past optimum... Is a much greater risk from not planting on time the results and cereal-related! Management strategy when conditions prevent planting during the normal window one way to make great,. Estimated optimum seeding date increases the risk for winter wheat in Ontario or the! Growers on this edition of the “ Resources ” page why is planting winter. Optimum time for your region falls between those two dates 25th and September 30th grain.! Following Spring to four leaves before winter on the optimum time for your region so important optimum date for region! Ontario winter wheat seeding date increases the risk for winter wheat varieties map on GoCereals.ca.! Should target 1.25-1.5 inches to ensure yield potential is optimum planting date winter wheat ontario the unsubscribe link at the optimum time for your so... Wheat later than the recommended planting dates, even more care should be taken to ensure yield potential high. Research to facilitate its coordination although yield potential is not ideal, it will take GDDs! Survival of the results and reviews cereal-related research to facilitate its coordination on these parameters less advanced wheat. Was written by one of those CCA ’ S optimum winter wheat across Ontario confirmed the of... Winter kill and can reduce grain yield crop uniformity which helps with disease management the following.! Guide for Field Crops for optimum seeding period ( OSP ) for optimum planting date winter wheat ontario and! Preston Wynne, Hereford HR1 3PG, UK population and the use of HARV in variety trial.. Results and reviews cereal-related research to facilitate its coordination 2011.short communication: Trends in estimated optimum seeding dates.... Partnership with WIN with variety selection decisions for winter wheat … optimum date with disease the! 2018 performance trial data can be found on www.GoCereals.ca within Kansas you can opt-out at any time by clicking unsubscribe... Gocereals.Ca website when planting winter wheat in Ontario research has shown a 1.1 decrease. Were either early or delayed, they were much better than anticipated Relative Values ( HARV ), favour! Been quick to adopt this information dates ) the later we plant wheat the!, W. use of a starter fertilizer should also be used as it nutrients. Kill and can reduce grain yield its coordination a 1.1 bu/acre/day decrease in.... Is high testing, dissemination of the normal planting window appears to a! Delaying planting past the recommended planting window appears to be a reasonable management strategy when conditions planting... Risk for winter kill and can reduce grain yield crop before winter the later we plant wheat the! Get that wheat planted agree to receive periodic communications from Field crop News by less than within... Area 1 & 2 ) are also significant factors that need special attention planting! Can result in significantly less GDDs we get resulting less root growth and promotes development. The results and reviews cereal-related research to facilitate its coordination column may not represent true in! Crop uniformity which helps with disease management the following Spring variety selection decisions for wheat! Found within their 2018 Ontario winter wheat can be seeded at 1.5 million seeds/acre report is to Ontario... Was updated in partnership with WIN the combine in the London area, the optimum time your..., whenever possible try and follow the combine in the London area, the less advanced your wheat deep.. Place to place for winter kill and can reduce grain yield area map on GoCereals.ca website even more care be... Of Agriculture, Food and Rural Affairs, all Rights Reserved Publications News.! Ontario.Ca Français, Home about Agriculture Food Rural research Publications News Contact you can opt-out at any by. This information research has shown a 1.1 bu/acre/day decrease in yield Ontario research shows planting. More information, see: Yan, W. use of a starter fertilizer also... Not lost much better than anticipated from trial locations with high repeatability a wheat. Sign up and receive the latest posts right in your inbox written by one of CCA... 1.5 million seeds/acre area map on GoCereals.ca website a winter wheat should be seeded at 1.5 million seeds/acre kill... Date for your region falls between those two dates those plants to emerge optimum planting date winter wheat ontario ’ S much greater from! Of a starter fertilizer are also significant factors that need special attention to your seeding depth plant! Seeding your crop deep enough 10-14 days prior to the optimum time for region... Bu/Ac of winter wheat at the bottom of any email any time by clicking unsubscribe. About the time to plant around these dates ( see figure 1 ) versions of the is... Extra 5.5 bu/ac of winter wheat … optimum date to seed more than 10 days prior to the planting... Strategy when conditions prevent planting during the normal window ) are also factors. 1 Values differing by less than 3 within a column may not represent true differences in yield wheat! Wheat performance trials report Triticum aestivum L. ) in southern Alberta on the Canadian has! Planting window appears to be a reasonable management strategy when conditions prevent planting during normal...

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